My solutions to 2018's advent of code
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- import itertools
-
-
- def first_duplicate(values):
- seen = set()
- for item in values:
- if item in seen:
- return item
- seen.add(item)
- return None
-
-
- with open('data/01.txt', 'r') as file:
- frequencies = list(map(int, file.readlines()))
-
- print(sum(frequencies))
- print(first_duplicate(itertools.accumulate(itertools.cycle(frequencies))))
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